Quantitative weighing device

Abstract

The utility model discloses a quantitative weighing device, which belongs to the technical field of quantitative weighing and comprises a bottom plate and a mounting groove arranged at the top end of the bottom plate. A mounting plate is tightly attached to the vertical inner wall of the mounting groove, a connecting frame is mounted on the vertical side face of the mounting plate, a groove extending into the bottom plate is formed in the vertical side face of the mounting groove, a motor located in the groove is mounted on the vertical side face of the connecting frame, and a two-way lead screw inserted into the connecting frame is mounted at the driving end of the motor; two sliding blocks are connected to the periphery of the two-way lead screw in a sleeving mode, connecting plates attached to the mounting plate are fixed to the vertical side faces of the two sliding blocks, connecting grooves and limiting grooves are formed in the sides, away from each other, of the two connecting plates, and fixing plates are connected to the vertical inner walls of the connecting grooves; and packaging bags of different sizes can be conveniently clamped and fixed, the packaging bags are prevented from deviating in the material guiding-in process, and the use efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of quantitative weighing, in particular to a quantitative weighing device. Background Art

[0002] Cumin, also known as cumin or cumin celery, is called fennel in southern Xinjiang. Cumin is an essential condiment for barbecue food. It is oily and has a strong aromatic smell. It is mainly used for seasoning, extracting spices, etc. During the processing of cumin, it needs to be weighed in a quantitative manner and put into packaging bags for preservation.

[0003] During use, the existing quantitative weighing device needs to quantitatively package the weighed materials. When in use, the packaging bags are usually opened manually or by machine for storage. The packaging bags have multiple corners and cannot be stabilized by manual or mechanical support. When faced with packaging bags of different sizes, the packaging bags are easily caused to fall off and shift during the introduction process, wasting manpower and reducing efficiency.

[0004] For example (authorization announcement number CN112629628A) a quantitative weighing device feeds back an electrical signal to a pressure sensor with a weighing range of 100 grams to 1000 grams, thereby achieving accurate quantitative weighing of fruits and vegetables and improving the accuracy of the device itself. A packaging machine is provided, and a mechanical claw is used at the end of the packaging machine. After weighing the fruits and vegetables, the packaging machine collects a certain amount of fruits and vegetables. When the collection reaches a certain level, the packaging machine packages the fruits and vegetables and then outputs them through a conveyor belt, saving the labor intensity of the staff and improving the convenience of the device itself. Utility Model Content

[0005] The purpose of the utility model is to provide a quantitative weighing device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quantitative weighing device, comprising: a bottom plate and a mounting groove arranged at the top of the bottom plate; the vertical inner wall of the mounting groove is tightly attached to the mounting plate, the vertical side surface of the mounting plate is installed with a connecting frame, the vertical side surface of the mounting groove is provided with a groove extending to the inside of the bottom plate, the vertical side surface of the connecting frame is installed with a motor located inside the groove, the driving end of the motor is installed with a bidirectional screw rod inserted into the inside of the connecting frame, the outer periphery of the bidirectional screw rod is sleeved with two sliders, the vertical side surfaces of the two sliders are both fixed with connecting plates that fit the mounting plate, the two connecting plates are both provided with connecting grooves and limit grooves on the sides away from each other, and the vertical inner wall of the connecting groove is connected with a fixing plate;

[0007] First telescopic rods are installed on both sides of the fixed plate, and moving blocks are installed on the moving parts of the two first telescopic rods. Limiting frames are fixed on the sides of the four moving blocks. The vertical sides of the four limiting frames are threadedly connected with threaded nails, and the outer periphery of the threaded nails is sleeved with a clamping plate for clamping the packaging bag during quantitative weighing.

[0008] In a further embodiment, a linear motor wrapping the limiting groove is installed on one side of the two connecting plates away from each other, and a moving plate close to the vertical inner wall of the limiting groove is installed on the moving parts of the two linear motors.

[0009] In a further embodiment, two fixing grooves are provided on both sides of the bottom plate, and vertical plates are fixed to the inner walls of the four fixing grooves.

[0010] In a further embodiment, the two pairs of vertical plates are connected to inclined plates on their mutually adjacent sides, and support plates are fixed to the top ends of the two inclined plates.

[0011] In a further embodiment, a box body is fixed to the top of each of the two support plates, and a feed frame is connected to the top of the box body.

[0012] In a further embodiment, a second telescopic rod and a third telescopic rod extending into the interior of the box are installed on the vertical side of the box, and a square barrel that fits the feed frame is installed on the moving part of the second telescopic rod.

[0013] In a further embodiment, the movable portion of the third telescopic rod is equipped with a tray inserted into the interior of the square barrel, a weighing device is installed on the top of the tray, and a discharge hopper connected to the square barrel is fixed to the bottom end of the box body.

[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0015] During use, the quantitative weighing device uses a fixed plate arranged in a connection groove, and drives the moving block to move through the first telescopic rods on both sides of the fixed plate, so as to flip the bag mouth of the packaging bag, fold it into a square to protrude four corners, insert the two corners at the bag mouth into the limiting frame, and screw the screws arranged on the vertical side of the limiting frame to clamp the corners of the packaging bag using the clamping plates that gradually approach;

[0016] Then, the motor arranged on the vertical side of the connecting frame drives the two sliders on the outer periphery of the bidirectional screw to move toward each other, so that the two connecting plates at the top of the mounting plate move synchronously to move closer or farther away. According to the size of the packaging bag that can be stretched, the other two corners at the mouth of the packaging bag are fixed by the two clamping plates on the other side. Then, the linear motor on the side of the connecting plate drives the moving plate of the moving part to tighten and limit the packaging bag when the material is introduced, so as to facilitate the clamping and fixing of packaging bags of different sizes, prevent the packaging bags from being offset during the material introduction process, and improve the use efficiency. The quantitative weighing device is convenient for clamping and fixing packaging bags of different sizes, prevents the packaging bags from being offset during the material introduction process, and improves the use efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 The schematic diagram of the structure in which the box is removed;

[0020] Figure 3 It is a schematic diagram of the structure above the bottom plate of the utility model;

[0021] Figure 4 For the utility model Figure 1 A cross-sectional view of the box at aa in the middle;

[0022] Figure 5 For the utility model Figure 3 A magnified view of the structure in the middle.

[0023] Description of reference numerals:

[0024] In the figure: 1. box body; 2. feed frame; 3. vertical plate; 4. bottom plate; 5. support plate; 6. inclined plate; 7. connecting plate; 8. mounting groove; 9. fixed groove; 10. groove; 11. connecting frame; 12. motor; 13. slider; 14. linear motor; 15. limit groove; 16. moving plate; 17. fixed plate; 18. connecting groove; 19. moving block; 20. clamping plate; 21. threaded nail; 22. first telescopic rod; 23. weighing device; 24. second telescopic rod; 25. third telescopic rod; 26. tray; 27. discharge hopper; 28. square barrel; 29. ​​limit frame; 30. mounting plate. DETAILED DESCRIPTION

[0025] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0026] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0027] The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., depending on actual needs. Example

[0028] See also Figures 1 to 5The bottom plate 4 supports the device, and a mounting groove 8 is provided at the top of the bottom plate 4; the vertical inner wall of the mounting groove 8 is tightly attached to the mounting plate 30, and a connecting frame 11 is installed on the vertical side of the mounting groove 8. The vertical side of the mounting groove 8 is provided with a groove 10 extending into the bottom plate 4, and a motor 12 located inside the groove 10 is installed on the vertical side of the connecting frame 11. The driving end of the motor 12 is connected to a bidirectional screw rod inserted into the connecting frame 11 through a bearing, and two sliders 13 are sleeved on the outer periphery of the bidirectional screw rod through a ball nut. The vertical sides of the two sliders 13 are fixed with connecting plates 7 that fit the mounting plate 30, and the two connecting plates 7 are provided with mutually parallel connecting grooves 18 and limit grooves 15 on the sides away from each other. The vertical inner wall of the two connecting plates 7 is provided with a bidirectional screw rod 12 that is inserted into the connecting frame 11 through a bearing, and the two connecting plates 7 are provided with mutually parallel connecting grooves 18 and limit grooves 15 on the sides away from each other. The wall is connected to a fixed plate 17, and first telescopic rods 22 are installed on both sides of the fixed plate 17. The fixed plate 17 arranged in the connecting groove 18 is used to drive the moving block 19 to move through the first telescopic rods 22 on both sides of the fixed plate 17, so as to flip the bag mouth, fold the four protruding corners according to a square, and insert the two corners at the bag mouth into the limit frame 29. The threaded nails 21 arranged on the vertical side of the limit frame 29 are screwed, and the corners of the bag are clamped by the clamping plates 20 that gradually approach, and then the two sliders 13 on the outer periphery of the bidirectional screw are driven to move toward each other through the motor 12 arranged on the vertical side of the connecting frame 11, so that the two connecting plates 7 at the top of the mounting plate 30 are synchronously displaced to move closer or farther away.

[0029] According to the size that the packaging bag can be expanded to, the other two corners at the bag mouth of the packaging bag are fixed by two clamping plates 20 on the other side, and then the linear motor 14 on the side of the connecting plate 7 is used to drive the moving plate 16 of the moving part. When the material is introduced, the packaging bag is pressed and limited, so as to facilitate the clamping and fixing of packaging bags of different sizes, prevent the packaging bags from shifting during the material introduction process, and improve the use efficiency. The moving parts of the two first telescopic rods 22 are both installed with moving blocks 19, and the four moving blocks 19 are fixed with a limiting frame 29 on the side away from the connecting plate 7. The vertical side surfaces of the four limiting frames 29 are all threadedly connected with threaded nails 21, and the outer periphery of the threaded nails 21 is sleeved with a clamping plate 20 for clamping the packaging bag during quantitative weighing.

[0030] A linear motor 14 wrapping the limit groove 15 is installed on the side where the two connecting plates 7 are away from each other, and a moving plate 16 close to the vertical inner wall of the limit groove 15 is installed on the moving parts of the two linear motors 14. Two fixed grooves 9 are provided on both sides of the bottom plate 4, and vertical plates 3 are fixed to the inner walls of the four fixed grooves 9. The sides where the two pairs of vertical plates 3 are close to each other are connected with inclined plates 6, and support plates 5 are fixed to the tops of the two inclined plates 6. The tops of the two support plates 5 are fixed with a box body 1, and a feed frame 2 is connected to the top of the box body 1. A second telescopic rod 24 and a third telescopic rod 25 extending into the interior of the box body 1 are installed on the vertical side of the box body 1, a square barrel 28 fitting the feed frame 2 is installed on the moving part of the second telescopic rod 24, and a tray 26 inserted into the interior of the square barrel 28 is installed on the moving part of the third telescopic rod 25. A weighing device 23 is installed on the top of the tray 26, and a discharge hopper 27 connected to the square barrel 28 is fixed to the bottom of the box body 1.

[0031] The linear motor 14, the first telescopic rod 22, the second telescopic rod 24, the motor 12 and the third motor 25 are all conventional instruments. The working principle, size and model are irrelevant to the function of the present application, so they are not described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention no longer explains the control method and circuit connection in detail.

[0032] How it works

[0033] During use, the quantitative weighing device pulls the bag opening to form four corners of the bag, and uses the first telescopic rod 22 arranged on the side of the fixing plate 17 to drive the limit frame 29 to move, and two of the corners are inserted into the limit frame 29, and the screw nail 21 is screwed and fixed by the clamping plate 20, and then the motor 12 arranged on the side of the connecting frame 11 drives the two sliders 13 on the outer periphery of the bidirectional screw to move, so that the connecting plates 7 on both sides move synchronously, and according to the size of the packaging bag, the other two side corners are inserted into the other two limit frames 29 for fixation, and the packaging bag is installed, and then the feeding frame 2 is used to introduce cumin, so that the cumin falls on the top of the weighing device 23 for weighing, and after reaching a certain weight, the third telescopic rod 25 arranged on the side of the box body 1 is used to pull the tray 26 to move, so that the weighing device 23 is moved out of the square barrel 28, and the cumin set on the weighing device 23 is scraped off by the inner wall of the square barrel 28, so that it falls into the packaging bag for storage.

[0034] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quantitative weighing device, comprising: A base plate (4) and a mounting groove (8) arranged at the top of the base plate (4); characterized in that: the vertical inner wall of the mounting groove (8) is tightly attached to the mounting plate (30), the vertical side surface of the mounting plate (30) is installed with a connecting frame (11), the vertical side surface of the mounting groove (8) is provided with a groove (10), the vertical side surface of the connecting frame (11) is installed with a motor (12) located inside the groove (10), the driving end of the motor (12) is installed with a bidirectional screw rod inserted into the connecting frame (11), the outer periphery of the bidirectional screw rod is sleeved with two sliders (13), the vertical side surfaces of the two sliders (13) are both fixed with connecting plates (7) that are attached to the mounting plate (30), the two connecting plates (7) are both provided with a connecting groove (18) and a limit groove (15) on the side away from each other, and the vertical inner wall of the connecting groove (18) is connected with a fixing plate (17); First telescopic rods (22) are installed on both sides of the fixed plate (17), and moving parts of the two first telescopic rods (22) are installed with moving blocks (19). The sides of the four moving blocks (19) are fixed with limit frames (29), and the vertical sides of the four limit frames (29) are threadedly connected with threaded nails (21), and the outer periphery of the threaded nails (21) is sleeved with a clamping plate (20) for clamping the packaging bag during quantitative weighing.

2. A quantitative weighing device according to claim 1, characterized in that: A linear motor (14) wrapping around the limiting groove (15) is installed on one side of the two connecting plates (7) away from each other, and a moving plate (16) in close contact with the vertical inner wall of the limiting groove (15) is installed on the moving parts of the two linear motors (14).

3. A quantitative weighing device according to claim 1, characterized in that: Two fixing grooves (9) are provided on both sides of the bottom plate (4), and vertical plates (3) are fixed to the inner walls of the four fixing grooves (9).

4. A quantitative weighing device according to claim 3, characterized in that: The two pairs of vertical plates (3) are connected to an inclined plate (6) on one side close to each other, and a support plate (5) is fixed to the top of the two inclined plates (6).

5. A quantitative weighing device according to claim 4, characterized in that: A box body (1) is fixed to the top of each of the two support plates (5), and a feed frame (2) is connected to the top of the box body (1).

6. A quantitative weighing device according to claim 5, characterized in that: A second telescopic rod (24) and a third telescopic rod (25) extending into the interior of the box (1) are mounted on the vertical side surface of the box body (1), and a square barrel (28) that fits the feed frame (2) is mounted on the movable portion of the second telescopic rod (24).

7. A quantitative weighing device according to claim 6, characterized in that: The movable part of the third telescopic rod (25) is provided with a tray (26) inserted into the interior of the square barrel (28), a weighing device (23) is provided on the top of the tray (26), and a discharge hopper (27) connected to the square barrel (28) is fixed on the bottom of the box body (1).

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